Verdcourt, B. (1957). Typification of the subdivisions of Ipomoea L. Convolvulaceae with particular regard to the east African species ([Sonderdr.].).
Chicago Style (17th ed.) CitationVerdcourt, Bernard. Typification of the Subdivisions of Ipomoea L. Convolvulaceae with Particular Regard to the East African Species. [Sonderdr.]. 1957.
MLA (9th ed.) CitationVerdcourt, Bernard. Typification of the Subdivisions of Ipomoea L. Convolvulaceae with Particular Regard to the East African Species. [Sonderdr.]. 1957.
Warning: These citations may not always be 100% accurate.